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howto:drivesetup [2022/03/25 09:57] – Added a stub with DISK CHANGE/READY explanation. flan | howto:drivesetup [2022/03/25 10:16] (current) – Added more references and clarification. flan | ||
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**The preferred mode for the Applesauce is READY.** | **The preferred mode for the Applesauce is READY.** | ||
- | Many drives have a jumper to select the meaning of line 34, DISK CHANGE/ | + | Many drives have a jumper to select the meaning of line 34, DISK CHANGE/ |
- | * In READY mode, line 34 becomes | + | * In READY mode, line 34 becomes |
- | * In DISK CHANGE mode, line 34 goes inactive | + | * In DISK CHANGE mode, line 34 goes low when a disk is ejected and goes high again when the head moves successfully. This is a modification from IBM and is usually required |
- | The Applesauce will work correctly with either setting. During drive setup, the Profiling tool will try to automatically detect the signal the drive is sending. If the drive sends READY, then the Applesauce will wait for READY after the MOTOR ON signal before doing anything else. If the drive sends DISK CHANGE, then the Applesauce will wait a fixed about of time after the MOTOR ON signal. (Otherwise, DISK CHANGE is ignored.) | + | The Applesauce will work correctly with either setting. During drive setup, the Profiling tool will try to automatically detect the signal the drive is sending. If the drive sends READY, then the Applesauce will wait for READY after the MOTOR ON signal before doing anything else. If the drive sends DISK CHANGE, then the Applesauce will wait a fixed amount |
- | Thus, in READY mode, you can typically save a couple of hundred milliseconds on MOTOR ON.((https:// | + | Thus, in READY mode, you can typically save a couple of hundred milliseconds on MOTOR ON.((https:// |